Re: Overriding PostGIS install directories

[ludo@gnu.org (Ludovic Courtès)]

Hi,

Ben Sturmfels <ben@sturm.com.au> skribis:

> On Fri, 19 Jan 2018, Ludovic Courtès wrote:
>
>> However, I’d recommend simply patching ‘configure’ itself in a snippet,
>> using ‘substitute*’.  That way, you won’t have to add these dependencies
>> and extra phase.
>
> Thanks, substitute* is much neater and changing configure directly is
> working.
>
> I've just discovered though that the build includes makefile templates
> from the input postgres package, eg
> ...-postgresql-10.1/lib/pgxs/src/makefiles/pgxs.mk and parents. These
> makefiles are created from a separate run of `pg_config --sharedir` when
> building postgresql.
>
> I wonder whether it would be simpler to mock the "pg_config" program to
> return the paths I want, rather than patch out all the calls to it. Is
> that possible to do for a package and its inputs? What do you think?

I guess it all depends on the number of ‘pg_config’ invocations that
need to be patch, and whether each one needs different treatment.  We
should minimize complexity.

Ludo’.